GAI-Tronics ACC2500 Audio Control Center - Manual (Page 33)

ACC2500 Audio Control Center Installation
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PB4 – Keyboard Diagnostic
This function is accessible via Main Diagnostics, then Internal Diagnostic ( PB3 ) and verifies that the
keyboard is operating correctly. After entering the keyboard diagnostic mode, the display shows:
KEYBOARD TEST
KEYCODE: XX
When any key is pressed (except TRANSMIT ), the corresponding keycode is displayed. Refer to the
keycode table that follows:
Button Keycode (Hex) Button Keycode (Hex)
0–9 00 - 09 PB1 – PB4 30 - 33
* 0e ALERT 45
# 0f PAGE 44
TRANSMIT No code
(Will exit test.) CLEAR 47
MONITOR 11 SELECT 46
TIME 13 DOWN 40
VOLUME Down 20 UP 41
VOLUME Up 21
Press
TRANSMIT to exit the keyboard diagnostic.
PB4 – Tone/Alarm Diagnostics
This function is accessible via Main Diagnostics mode select ( PB4 ), and allows adjustment of the levels of
sidetone ( PB1 ) and the DTMF tones ( PB2 ). The tone level adjust will display, then select PB1 , PB2 , or
PB3 .
• The sidetone level used for speaker tones can be adjusted to suit the user.
• The alert and page tone line levels can be adjusted relative to HLGT.
PB1 – Sidetone Level Adjust Mode
This mode allows the adjustment of the sidetone level to -15 dB in 3 dB steps:
Button(s) Sidetone Level Adjust Mode Function:
VOLUME Up or
VOLUME Down
Increases/decreases the sidetone line level. Each time the VOLUME Up or VOLUME
Down button is pressed, a beep is generated and the LCD display shows the new
setting.
TRANSMIT Exits the sidetone level adjust mode and returns the unit to the tone level adjustment
screen.